acpi_cpu.c revision 1.37.2.2
1 1.37.2.2 rmind /* $NetBSD: acpi_cpu.c,v 1.37.2.2 2011/03/05 20:53:02 rmind Exp $ */ 2 1.37.2.2 rmind 3 1.37.2.2 rmind /*- 4 1.37.2.2 rmind * Copyright (c) 2010, 2011 Jukka Ruohonen <jruohonen (at) iki.fi> 5 1.37.2.2 rmind * All rights reserved. 6 1.37.2.2 rmind * 7 1.37.2.2 rmind * Redistribution and use in source and binary forms, with or without 8 1.37.2.2 rmind * modification, are permitted provided that the following conditions 9 1.37.2.2 rmind * are met: 10 1.37.2.2 rmind * 11 1.37.2.2 rmind * 1. Redistributions of source code must retain the above copyright 12 1.37.2.2 rmind * notice, this list of conditions and the following disclaimer. 13 1.37.2.2 rmind * 2. Redistributions in binary form must reproduce the above copyright 14 1.37.2.2 rmind * notice, this list of conditions and the following disclaimer in the 15 1.37.2.2 rmind * documentation and/or other materials provided with the distribution. 16 1.37.2.2 rmind * 17 1.37.2.2 rmind * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 1.37.2.2 rmind * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 1.37.2.2 rmind * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 1.37.2.2 rmind * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 1.37.2.2 rmind * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 1.37.2.2 rmind * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 1.37.2.2 rmind * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 1.37.2.2 rmind * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 1.37.2.2 rmind * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 1.37.2.2 rmind * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 1.37.2.2 rmind * SUCH DAMAGE. 28 1.37.2.2 rmind */ 29 1.37.2.2 rmind #include <sys/cdefs.h> 30 1.37.2.2 rmind __KERNEL_RCSID(0, "$NetBSD: acpi_cpu.c,v 1.37.2.2 2011/03/05 20:53:02 rmind Exp $"); 31 1.37.2.2 rmind 32 1.37.2.2 rmind #include <sys/param.h> 33 1.37.2.2 rmind #include <sys/cpu.h> 34 1.37.2.2 rmind #include <sys/evcnt.h> 35 1.37.2.2 rmind #include <sys/kernel.h> 36 1.37.2.2 rmind #include <sys/kmem.h> 37 1.37.2.2 rmind #include <sys/module.h> 38 1.37.2.2 rmind #include <sys/mutex.h> 39 1.37.2.2 rmind #include <sys/sysctl.h> 40 1.37.2.2 rmind 41 1.37.2.2 rmind #include <dev/acpi/acpireg.h> 42 1.37.2.2 rmind #include <dev/acpi/acpivar.h> 43 1.37.2.2 rmind #include <dev/acpi/acpi_cpu.h> 44 1.37.2.2 rmind 45 1.37.2.2 rmind #include <machine/acpi_machdep.h> 46 1.37.2.2 rmind #include <machine/cpuvar.h> 47 1.37.2.2 rmind 48 1.37.2.2 rmind #define _COMPONENT ACPI_BUS_COMPONENT 49 1.37.2.2 rmind ACPI_MODULE_NAME ("acpi_cpu") 50 1.37.2.2 rmind 51 1.37.2.2 rmind static int acpicpu_match(device_t, cfdata_t, void *); 52 1.37.2.2 rmind static void acpicpu_attach(device_t, device_t, void *); 53 1.37.2.2 rmind static int acpicpu_detach(device_t, int); 54 1.37.2.2 rmind static int acpicpu_once_attach(void); 55 1.37.2.2 rmind static int acpicpu_once_detach(void); 56 1.37.2.2 rmind static void acpicpu_start(device_t); 57 1.37.2.2 rmind static void acpicpu_sysctl(device_t); 58 1.37.2.2 rmind 59 1.37.2.2 rmind static ACPI_STATUS acpicpu_object(ACPI_HANDLE, struct acpicpu_object *); 60 1.37.2.2 rmind static int acpicpu_find(struct cpu_info *, 61 1.37.2.2 rmind struct acpi_devnode **); 62 1.37.2.2 rmind static uint32_t acpicpu_cap(struct acpicpu_softc *); 63 1.37.2.2 rmind static ACPI_STATUS acpicpu_cap_pdc(struct acpicpu_softc *, uint32_t); 64 1.37.2.2 rmind static ACPI_STATUS acpicpu_cap_osc(struct acpicpu_softc *, 65 1.37.2.2 rmind uint32_t, uint32_t *); 66 1.37.2.2 rmind static void acpicpu_notify(ACPI_HANDLE, uint32_t, void *); 67 1.37.2.2 rmind static bool acpicpu_suspend(device_t, const pmf_qual_t *); 68 1.37.2.2 rmind static bool acpicpu_resume(device_t, const pmf_qual_t *); 69 1.37.2.2 rmind static void acpicpu_evcnt_attach(device_t); 70 1.37.2.2 rmind static void acpicpu_evcnt_detach(device_t); 71 1.37.2.2 rmind static void acpicpu_debug_print(device_t); 72 1.37.2.2 rmind static const char *acpicpu_debug_print_method(uint8_t); 73 1.37.2.2 rmind static const char *acpicpu_debug_print_dep(uint32_t); 74 1.37.2.2 rmind 75 1.37.2.2 rmind static uint32_t acpicpu_count = 0; 76 1.37.2.2 rmind struct acpicpu_softc **acpicpu_sc = NULL; 77 1.37.2.2 rmind static struct sysctllog *acpicpu_log = NULL; 78 1.37.2.2 rmind static bool acpicpu_dynamic = true; 79 1.37.2.2 rmind static bool acpicpu_passive = true; 80 1.37.2.2 rmind 81 1.37.2.2 rmind static const struct { 82 1.37.2.2 rmind const char *manu; 83 1.37.2.2 rmind const char *prod; 84 1.37.2.2 rmind const char *vers; 85 1.37.2.2 rmind } acpicpu_quirks[] = { 86 1.37.2.2 rmind { "Supermicro", "PDSMi-LN4", "0123456789" }, 87 1.37.2.2 rmind }; 88 1.37.2.2 rmind 89 1.37.2.2 rmind static const char * const acpicpu_hid[] = { 90 1.37.2.2 rmind "ACPI0007", 91 1.37.2.2 rmind NULL 92 1.37.2.2 rmind }; 93 1.37.2.2 rmind 94 1.37.2.2 rmind CFATTACH_DECL_NEW(acpicpu, sizeof(struct acpicpu_softc), 95 1.37.2.2 rmind acpicpu_match, acpicpu_attach, acpicpu_detach, NULL); 96 1.37.2.2 rmind 97 1.37.2.2 rmind static int 98 1.37.2.2 rmind acpicpu_match(device_t parent, cfdata_t match, void *aux) 99 1.37.2.2 rmind { 100 1.37.2.2 rmind const char *manu, *prod, *vers; 101 1.37.2.2 rmind struct cpu_info *ci; 102 1.37.2.2 rmind size_t i; 103 1.37.2.2 rmind 104 1.37.2.2 rmind if (acpi_softc == NULL) 105 1.37.2.2 rmind return 0; 106 1.37.2.2 rmind 107 1.37.2.2 rmind manu = pmf_get_platform("system-manufacturer"); 108 1.37.2.2 rmind prod = pmf_get_platform("system-product-name"); 109 1.37.2.2 rmind vers = pmf_get_platform("system-version"); 110 1.37.2.2 rmind 111 1.37.2.2 rmind if (manu != NULL && prod != NULL && vers != NULL) { 112 1.37.2.2 rmind 113 1.37.2.2 rmind for (i = 0; i < __arraycount(acpicpu_quirks); i++) { 114 1.37.2.2 rmind 115 1.37.2.2 rmind if (strcasecmp(acpicpu_quirks[i].manu, manu) == 0 && 116 1.37.2.2 rmind strcasecmp(acpicpu_quirks[i].prod, prod) == 0 && 117 1.37.2.2 rmind strcasecmp(acpicpu_quirks[i].vers, vers) == 0) 118 1.37.2.2 rmind return 0; 119 1.37.2.2 rmind } 120 1.37.2.2 rmind } 121 1.37.2.2 rmind 122 1.37.2.2 rmind ci = acpicpu_md_match(parent, match, aux); 123 1.37.2.2 rmind 124 1.37.2.2 rmind if (ci == NULL) 125 1.37.2.2 rmind return 0; 126 1.37.2.2 rmind 127 1.37.2.2 rmind return acpicpu_find(ci, NULL); 128 1.37.2.2 rmind } 129 1.37.2.2 rmind 130 1.37.2.2 rmind static void 131 1.37.2.2 rmind acpicpu_attach(device_t parent, device_t self, void *aux) 132 1.37.2.2 rmind { 133 1.37.2.2 rmind struct acpicpu_softc *sc = device_private(self); 134 1.37.2.2 rmind struct cpu_info *ci; 135 1.37.2.2 rmind cpuid_t id; 136 1.37.2.2 rmind int rv; 137 1.37.2.2 rmind 138 1.37.2.2 rmind ci = acpicpu_md_attach(parent, self, aux); 139 1.37.2.2 rmind 140 1.37.2.2 rmind if (ci == NULL) 141 1.37.2.2 rmind return; 142 1.37.2.2 rmind 143 1.37.2.2 rmind sc->sc_ci = ci; 144 1.37.2.2 rmind sc->sc_dev = self; 145 1.37.2.2 rmind sc->sc_cold = true; 146 1.37.2.2 rmind sc->sc_node = NULL; 147 1.37.2.2 rmind 148 1.37.2.2 rmind rv = acpicpu_find(ci, &sc->sc_node); 149 1.37.2.2 rmind 150 1.37.2.2 rmind if (rv == 0) { 151 1.37.2.2 rmind aprint_normal(": failed to match processor\n"); 152 1.37.2.2 rmind return; 153 1.37.2.2 rmind } 154 1.37.2.2 rmind 155 1.37.2.2 rmind if (acpicpu_once_attach() != 0) { 156 1.37.2.2 rmind aprint_normal(": failed to initialize\n"); 157 1.37.2.2 rmind return; 158 1.37.2.2 rmind } 159 1.37.2.2 rmind 160 1.37.2.2 rmind KASSERT(acpi_softc != NULL); 161 1.37.2.2 rmind KASSERT(acpicpu_sc != NULL); 162 1.37.2.2 rmind KASSERT(sc->sc_node != NULL); 163 1.37.2.2 rmind 164 1.37.2.2 rmind id = sc->sc_ci->ci_acpiid; 165 1.37.2.2 rmind 166 1.37.2.2 rmind if (acpicpu_sc[id] != NULL) { 167 1.37.2.2 rmind aprint_normal(": already attached\n"); 168 1.37.2.2 rmind return; 169 1.37.2.2 rmind } 170 1.37.2.2 rmind 171 1.37.2.2 rmind aprint_naive("\n"); 172 1.37.2.2 rmind aprint_normal(": ACPI CPU\n"); 173 1.37.2.2 rmind 174 1.37.2.2 rmind rv = acpicpu_object(sc->sc_node->ad_handle, &sc->sc_object); 175 1.37.2.2 rmind 176 1.37.2.2 rmind if (ACPI_FAILURE(rv)) 177 1.37.2.2 rmind aprint_verbose_dev(self, "failed to obtain CPU object\n"); 178 1.37.2.2 rmind 179 1.37.2.2 rmind acpicpu_count++; 180 1.37.2.2 rmind acpicpu_sc[id] = sc; 181 1.37.2.2 rmind 182 1.37.2.2 rmind sc->sc_cap = acpicpu_cap(sc); 183 1.37.2.2 rmind sc->sc_ncpus = acpi_md_ncpus(); 184 1.37.2.2 rmind sc->sc_flags = acpicpu_md_flags(); 185 1.37.2.2 rmind 186 1.37.2.2 rmind KASSERT(acpicpu_count <= sc->sc_ncpus); 187 1.37.2.2 rmind KASSERT(sc->sc_node->ad_device == NULL); 188 1.37.2.2 rmind 189 1.37.2.2 rmind sc->sc_node->ad_device = self; 190 1.37.2.2 rmind mutex_init(&sc->sc_mtx, MUTEX_DEFAULT, IPL_NONE); 191 1.37.2.2 rmind 192 1.37.2.2 rmind acpicpu_cstate_attach(self); 193 1.37.2.2 rmind acpicpu_pstate_attach(self); 194 1.37.2.2 rmind acpicpu_tstate_attach(self); 195 1.37.2.2 rmind 196 1.37.2.2 rmind acpicpu_debug_print(self); 197 1.37.2.2 rmind acpicpu_evcnt_attach(self); 198 1.37.2.2 rmind 199 1.37.2.2 rmind (void)config_interrupts(self, acpicpu_start); 200 1.37.2.2 rmind (void)acpi_register_notify(sc->sc_node, acpicpu_notify); 201 1.37.2.2 rmind (void)pmf_device_register(self, acpicpu_suspend, acpicpu_resume); 202 1.37.2.2 rmind } 203 1.37.2.2 rmind 204 1.37.2.2 rmind static int 205 1.37.2.2 rmind acpicpu_detach(device_t self, int flags) 206 1.37.2.2 rmind { 207 1.37.2.2 rmind struct acpicpu_softc *sc = device_private(self); 208 1.37.2.2 rmind int rv = 0; 209 1.37.2.2 rmind 210 1.37.2.2 rmind sc->sc_cold = true; 211 1.37.2.2 rmind 212 1.37.2.2 rmind acpicpu_evcnt_detach(self); 213 1.37.2.2 rmind acpi_deregister_notify(sc->sc_node); 214 1.37.2.2 rmind 215 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_C) != 0) 216 1.37.2.2 rmind rv = acpicpu_cstate_detach(self); 217 1.37.2.2 rmind 218 1.37.2.2 rmind if (rv != 0) 219 1.37.2.2 rmind return rv; 220 1.37.2.2 rmind 221 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_P) != 0) 222 1.37.2.2 rmind rv = acpicpu_pstate_detach(self); 223 1.37.2.2 rmind 224 1.37.2.2 rmind if (rv != 0) 225 1.37.2.2 rmind return rv; 226 1.37.2.2 rmind 227 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_T) != 0) 228 1.37.2.2 rmind rv = acpicpu_tstate_detach(self); 229 1.37.2.2 rmind 230 1.37.2.2 rmind if (rv != 0) 231 1.37.2.2 rmind return rv; 232 1.37.2.2 rmind 233 1.37.2.2 rmind mutex_destroy(&sc->sc_mtx); 234 1.37.2.2 rmind 235 1.37.2.2 rmind sc->sc_node->ad_device = NULL; 236 1.37.2.2 rmind 237 1.37.2.2 rmind acpicpu_count--; 238 1.37.2.2 rmind acpicpu_once_detach(); 239 1.37.2.2 rmind 240 1.37.2.2 rmind return 0; 241 1.37.2.2 rmind } 242 1.37.2.2 rmind 243 1.37.2.2 rmind static int 244 1.37.2.2 rmind acpicpu_once_attach(void) 245 1.37.2.2 rmind { 246 1.37.2.2 rmind struct acpicpu_softc *sc; 247 1.37.2.2 rmind unsigned int i; 248 1.37.2.2 rmind 249 1.37.2.2 rmind if (acpicpu_count != 0) 250 1.37.2.2 rmind return 0; 251 1.37.2.2 rmind 252 1.37.2.2 rmind KASSERT(acpicpu_sc == NULL); 253 1.37.2.2 rmind KASSERT(acpicpu_log == NULL); 254 1.37.2.2 rmind 255 1.37.2.2 rmind acpicpu_sc = kmem_zalloc(maxcpus * sizeof(*sc), KM_SLEEP); 256 1.37.2.2 rmind 257 1.37.2.2 rmind if (acpicpu_sc == NULL) 258 1.37.2.2 rmind return ENOMEM; 259 1.37.2.2 rmind 260 1.37.2.2 rmind for (i = 0; i < maxcpus; i++) 261 1.37.2.2 rmind acpicpu_sc[i] = NULL; 262 1.37.2.2 rmind 263 1.37.2.2 rmind return 0; 264 1.37.2.2 rmind } 265 1.37.2.2 rmind 266 1.37.2.2 rmind static int 267 1.37.2.2 rmind acpicpu_once_detach(void) 268 1.37.2.2 rmind { 269 1.37.2.2 rmind struct acpicpu_softc *sc; 270 1.37.2.2 rmind 271 1.37.2.2 rmind if (acpicpu_count != 0) 272 1.37.2.2 rmind return EDEADLK; 273 1.37.2.2 rmind 274 1.37.2.2 rmind if (acpicpu_log != NULL) 275 1.37.2.2 rmind sysctl_teardown(&acpicpu_log); 276 1.37.2.2 rmind 277 1.37.2.2 rmind if (acpicpu_sc != NULL) 278 1.37.2.2 rmind kmem_free(acpicpu_sc, maxcpus * sizeof(*sc)); 279 1.37.2.2 rmind 280 1.37.2.2 rmind return 0; 281 1.37.2.2 rmind } 282 1.37.2.2 rmind 283 1.37.2.2 rmind static void 284 1.37.2.2 rmind acpicpu_start(device_t self) 285 1.37.2.2 rmind { 286 1.37.2.2 rmind struct acpicpu_softc *sc = device_private(self); 287 1.37.2.2 rmind static uint32_t count = 0; 288 1.37.2.2 rmind 289 1.37.2.2 rmind /* 290 1.37.2.2 rmind * Run the state-specific initialization routines. These 291 1.37.2.2 rmind * must run only once, after interrupts have been enabled, 292 1.37.2.2 rmind * all CPUs are running, and all ACPI CPUs have attached. 293 1.37.2.2 rmind */ 294 1.37.2.2 rmind if (++count != acpicpu_count || acpicpu_count != sc->sc_ncpus) { 295 1.37.2.2 rmind sc->sc_cold = false; 296 1.37.2.2 rmind return; 297 1.37.2.2 rmind } 298 1.37.2.2 rmind 299 1.37.2.2 rmind /* 300 1.37.2.2 rmind * Set the last ACPI CPU as non-cold 301 1.37.2.2 rmind * only after C-states are enabled. 302 1.37.2.2 rmind */ 303 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_C) != 0) 304 1.37.2.2 rmind acpicpu_cstate_start(self); 305 1.37.2.2 rmind 306 1.37.2.2 rmind sc->sc_cold = false; 307 1.37.2.2 rmind 308 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_P) != 0) 309 1.37.2.2 rmind acpicpu_pstate_start(self); 310 1.37.2.2 rmind 311 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_T) != 0) 312 1.37.2.2 rmind acpicpu_tstate_start(self); 313 1.37.2.2 rmind 314 1.37.2.2 rmind acpicpu_sysctl(self); 315 1.37.2.2 rmind aprint_debug_dev(self, "ACPI CPUs started\n"); 316 1.37.2.2 rmind } 317 1.37.2.2 rmind 318 1.37.2.2 rmind static void 319 1.37.2.2 rmind acpicpu_sysctl(device_t self) 320 1.37.2.2 rmind { 321 1.37.2.2 rmind const struct sysctlnode *node; 322 1.37.2.2 rmind int err; 323 1.37.2.2 rmind 324 1.37.2.2 rmind KASSERT(acpicpu_log == NULL); 325 1.37.2.2 rmind 326 1.37.2.2 rmind err = sysctl_createv(&acpicpu_log, 0, NULL, &node, 327 1.37.2.2 rmind CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL, 328 1.37.2.2 rmind NULL, 0, NULL, 0, CTL_HW, CTL_EOL); 329 1.37.2.2 rmind 330 1.37.2.2 rmind if (err != 0) 331 1.37.2.2 rmind goto fail; 332 1.37.2.2 rmind 333 1.37.2.2 rmind err = sysctl_createv(&acpicpu_log, 0, &node, &node, 334 1.37.2.2 rmind CTLFLAG_PERMANENT, CTLTYPE_NODE, "acpi", NULL, 335 1.37.2.2 rmind NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL); 336 1.37.2.2 rmind 337 1.37.2.2 rmind if (err != 0) 338 1.37.2.2 rmind goto fail; 339 1.37.2.2 rmind 340 1.37.2.2 rmind err = sysctl_createv(&acpicpu_log, 0, &node, &node, 341 1.37.2.2 rmind 0, CTLTYPE_NODE, "cpu", SYSCTL_DESCR("ACPI CPU"), 342 1.37.2.2 rmind NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL); 343 1.37.2.2 rmind 344 1.37.2.2 rmind if (err != 0) 345 1.37.2.2 rmind goto fail; 346 1.37.2.2 rmind 347 1.37.2.2 rmind err = sysctl_createv(&acpicpu_log, 0, &node, NULL, 348 1.37.2.2 rmind CTLFLAG_READWRITE, CTLTYPE_BOOL, "dynamic", 349 1.37.2.2 rmind SYSCTL_DESCR("Dynamic states"), NULL, 0, 350 1.37.2.2 rmind &acpicpu_dynamic, 0, CTL_CREATE, CTL_EOL); 351 1.37.2.2 rmind 352 1.37.2.2 rmind if (err != 0) 353 1.37.2.2 rmind goto fail; 354 1.37.2.2 rmind 355 1.37.2.2 rmind err = sysctl_createv(&acpicpu_log, 0, &node, NULL, 356 1.37.2.2 rmind CTLFLAG_READWRITE, CTLTYPE_BOOL, "passive", 357 1.37.2.2 rmind SYSCTL_DESCR("Passive cooling"), NULL, 0, 358 1.37.2.2 rmind &acpicpu_passive, 0, CTL_CREATE, CTL_EOL); 359 1.37.2.2 rmind 360 1.37.2.2 rmind if (err != 0) 361 1.37.2.2 rmind goto fail; 362 1.37.2.2 rmind 363 1.37.2.2 rmind return; 364 1.37.2.2 rmind 365 1.37.2.2 rmind fail: 366 1.37.2.2 rmind aprint_error_dev(self, "failed to initialize sysctl (err %d)\n", err); 367 1.37.2.2 rmind } 368 1.37.2.2 rmind 369 1.37.2.2 rmind static ACPI_STATUS 370 1.37.2.2 rmind acpicpu_object(ACPI_HANDLE hdl, struct acpicpu_object *ao) 371 1.37.2.2 rmind { 372 1.37.2.2 rmind ACPI_OBJECT *obj; 373 1.37.2.2 rmind ACPI_BUFFER buf; 374 1.37.2.2 rmind ACPI_STATUS rv; 375 1.37.2.2 rmind 376 1.37.2.2 rmind rv = acpi_eval_struct(hdl, NULL, &buf); 377 1.37.2.2 rmind 378 1.37.2.2 rmind if (ACPI_FAILURE(rv)) 379 1.37.2.2 rmind goto out; 380 1.37.2.2 rmind 381 1.37.2.2 rmind obj = buf.Pointer; 382 1.37.2.2 rmind 383 1.37.2.2 rmind if (obj->Type != ACPI_TYPE_PROCESSOR) { 384 1.37.2.2 rmind rv = AE_TYPE; 385 1.37.2.2 rmind goto out; 386 1.37.2.2 rmind } 387 1.37.2.2 rmind 388 1.37.2.2 rmind if (obj->Processor.ProcId > (uint32_t)maxcpus) { 389 1.37.2.2 rmind rv = AE_LIMIT; 390 1.37.2.2 rmind goto out; 391 1.37.2.2 rmind } 392 1.37.2.2 rmind 393 1.37.2.2 rmind KDASSERT((uint64_t)obj->Processor.PblkAddress < UINT32_MAX); 394 1.37.2.2 rmind 395 1.37.2.2 rmind if (ao != NULL) { 396 1.37.2.2 rmind ao->ao_procid = obj->Processor.ProcId; 397 1.37.2.2 rmind ao->ao_pblklen = obj->Processor.PblkLength; 398 1.37.2.2 rmind ao->ao_pblkaddr = obj->Processor.PblkAddress; 399 1.37.2.2 rmind } 400 1.37.2.2 rmind 401 1.37.2.2 rmind out: 402 1.37.2.2 rmind if (buf.Pointer != NULL) 403 1.37.2.2 rmind ACPI_FREE(buf.Pointer); 404 1.37.2.2 rmind 405 1.37.2.2 rmind return rv; 406 1.37.2.2 rmind } 407 1.37.2.2 rmind 408 1.37.2.2 rmind static int 409 1.37.2.2 rmind acpicpu_find(struct cpu_info *ci, struct acpi_devnode **ptr) 410 1.37.2.2 rmind { 411 1.37.2.2 rmind struct acpi_softc *sc = acpi_softc; 412 1.37.2.2 rmind struct acpicpu_object ao; 413 1.37.2.2 rmind struct acpi_devnode *ad; 414 1.37.2.2 rmind ACPI_INTEGER val; 415 1.37.2.2 rmind ACPI_STATUS rv; 416 1.37.2.2 rmind 417 1.37.2.2 rmind if (sc == NULL || acpi_active == 0) 418 1.37.2.2 rmind return 0; 419 1.37.2.2 rmind 420 1.37.2.2 rmind /* 421 1.37.2.2 rmind * CPUs are declared in the ACPI namespace 422 1.37.2.2 rmind * either as a Processor() or as a Device(). 423 1.37.2.2 rmind * In both cases the MADT entries are used 424 1.37.2.2 rmind * for the match (see ACPI 4.0, section 8.4). 425 1.37.2.2 rmind */ 426 1.37.2.2 rmind SIMPLEQ_FOREACH(ad, &sc->ad_head, ad_list) { 427 1.37.2.2 rmind 428 1.37.2.2 rmind if (ad->ad_type == ACPI_TYPE_PROCESSOR) { 429 1.37.2.2 rmind 430 1.37.2.2 rmind rv = acpicpu_object(ad->ad_handle, &ao); 431 1.37.2.2 rmind 432 1.37.2.2 rmind if (ACPI_SUCCESS(rv) && ci->ci_acpiid == ao.ao_procid) 433 1.37.2.2 rmind goto out; 434 1.37.2.2 rmind } 435 1.37.2.2 rmind 436 1.37.2.2 rmind if (acpi_match_hid(ad->ad_devinfo, acpicpu_hid) != 0) { 437 1.37.2.2 rmind 438 1.37.2.2 rmind rv = acpi_eval_integer(ad->ad_handle, "_UID", &val); 439 1.37.2.2 rmind 440 1.37.2.2 rmind if (ACPI_SUCCESS(rv) && ci->ci_acpiid == val) 441 1.37.2.2 rmind goto out; 442 1.37.2.2 rmind } 443 1.37.2.2 rmind } 444 1.37.2.2 rmind 445 1.37.2.2 rmind return 0; 446 1.37.2.2 rmind 447 1.37.2.2 rmind out: 448 1.37.2.2 rmind if (ptr != NULL) 449 1.37.2.2 rmind *ptr = ad; 450 1.37.2.2 rmind 451 1.37.2.2 rmind return 10; 452 1.37.2.2 rmind } 453 1.37.2.2 rmind 454 1.37.2.2 rmind static uint32_t 455 1.37.2.2 rmind acpicpu_cap(struct acpicpu_softc *sc) 456 1.37.2.2 rmind { 457 1.37.2.2 rmind uint32_t flags, cap = 0; 458 1.37.2.2 rmind const char *str; 459 1.37.2.2 rmind ACPI_STATUS rv; 460 1.37.2.2 rmind 461 1.37.2.2 rmind /* 462 1.37.2.2 rmind * Query and set machine-dependent capabilities. 463 1.37.2.2 rmind * Note that the Intel-specific _PDC method was 464 1.37.2.2 rmind * deprecated in the ACPI 3.0 in favor of _OSC. 465 1.37.2.2 rmind */ 466 1.37.2.2 rmind flags = acpicpu_md_cap(); 467 1.37.2.2 rmind rv = acpicpu_cap_osc(sc, flags, &cap); 468 1.37.2.2 rmind 469 1.37.2.2 rmind if (ACPI_FAILURE(rv) && rv != AE_NOT_FOUND) { 470 1.37.2.2 rmind str = "_OSC"; 471 1.37.2.2 rmind goto fail; 472 1.37.2.2 rmind } 473 1.37.2.2 rmind 474 1.37.2.2 rmind rv = acpicpu_cap_pdc(sc, flags); 475 1.37.2.2 rmind 476 1.37.2.2 rmind if (ACPI_FAILURE(rv) && rv != AE_NOT_FOUND) { 477 1.37.2.2 rmind str = "_PDC"; 478 1.37.2.2 rmind goto fail; 479 1.37.2.2 rmind } 480 1.37.2.2 rmind 481 1.37.2.2 rmind if (cap == 0) 482 1.37.2.2 rmind cap = flags; 483 1.37.2.2 rmind 484 1.37.2.2 rmind return cap; 485 1.37.2.2 rmind 486 1.37.2.2 rmind fail: 487 1.37.2.2 rmind aprint_error_dev(sc->sc_dev, "failed to evaluate " 488 1.37.2.2 rmind "%s: %s\n", str, AcpiFormatException(rv)); 489 1.37.2.2 rmind 490 1.37.2.2 rmind return 0; 491 1.37.2.2 rmind } 492 1.37.2.2 rmind 493 1.37.2.2 rmind static ACPI_STATUS 494 1.37.2.2 rmind acpicpu_cap_pdc(struct acpicpu_softc *sc, uint32_t flags) 495 1.37.2.2 rmind { 496 1.37.2.2 rmind ACPI_OBJECT_LIST arg; 497 1.37.2.2 rmind ACPI_OBJECT obj; 498 1.37.2.2 rmind uint32_t cap[3]; 499 1.37.2.2 rmind 500 1.37.2.2 rmind arg.Count = 1; 501 1.37.2.2 rmind arg.Pointer = &obj; 502 1.37.2.2 rmind 503 1.37.2.2 rmind cap[0] = ACPICPU_PDC_REVID; 504 1.37.2.2 rmind cap[1] = 1; 505 1.37.2.2 rmind cap[2] = flags; 506 1.37.2.2 rmind 507 1.37.2.2 rmind obj.Type = ACPI_TYPE_BUFFER; 508 1.37.2.2 rmind obj.Buffer.Length = sizeof(cap); 509 1.37.2.2 rmind obj.Buffer.Pointer = (void *)cap; 510 1.37.2.2 rmind 511 1.37.2.2 rmind return AcpiEvaluateObject(sc->sc_node->ad_handle, "_PDC", &arg, NULL); 512 1.37.2.2 rmind } 513 1.37.2.2 rmind 514 1.37.2.2 rmind static ACPI_STATUS 515 1.37.2.2 rmind acpicpu_cap_osc(struct acpicpu_softc *sc, uint32_t flags, uint32_t *val) 516 1.37.2.2 rmind { 517 1.37.2.2 rmind ACPI_OBJECT_LIST arg; 518 1.37.2.2 rmind ACPI_OBJECT obj[4]; 519 1.37.2.2 rmind ACPI_OBJECT *osc; 520 1.37.2.2 rmind ACPI_BUFFER buf; 521 1.37.2.2 rmind ACPI_STATUS rv; 522 1.37.2.2 rmind uint32_t cap[2]; 523 1.37.2.2 rmind uint32_t *ptr; 524 1.37.2.2 rmind int i = 5; 525 1.37.2.2 rmind 526 1.37.2.2 rmind static uint8_t intel_uuid[16] = { 527 1.37.2.2 rmind 0x16, 0xA6, 0x77, 0x40, 0x0C, 0x29, 0xBE, 0x47, 528 1.37.2.2 rmind 0x9E, 0xBD, 0xD8, 0x70, 0x58, 0x71, 0x39, 0x53 529 1.37.2.2 rmind }; 530 1.37.2.2 rmind 531 1.37.2.2 rmind cap[0] = ACPI_OSC_QUERY; 532 1.37.2.2 rmind cap[1] = flags; 533 1.37.2.2 rmind 534 1.37.2.2 rmind again: 535 1.37.2.2 rmind arg.Count = 4; 536 1.37.2.2 rmind arg.Pointer = obj; 537 1.37.2.2 rmind 538 1.37.2.2 rmind obj[0].Type = ACPI_TYPE_BUFFER; 539 1.37.2.2 rmind obj[0].Buffer.Length = sizeof(intel_uuid); 540 1.37.2.2 rmind obj[0].Buffer.Pointer = intel_uuid; 541 1.37.2.2 rmind 542 1.37.2.2 rmind obj[1].Type = ACPI_TYPE_INTEGER; 543 1.37.2.2 rmind obj[1].Integer.Value = ACPICPU_PDC_REVID; 544 1.37.2.2 rmind 545 1.37.2.2 rmind obj[2].Type = ACPI_TYPE_INTEGER; 546 1.37.2.2 rmind obj[2].Integer.Value = __arraycount(cap); 547 1.37.2.2 rmind 548 1.37.2.2 rmind obj[3].Type = ACPI_TYPE_BUFFER; 549 1.37.2.2 rmind obj[3].Buffer.Length = sizeof(cap); 550 1.37.2.2 rmind obj[3].Buffer.Pointer = (void *)cap; 551 1.37.2.2 rmind 552 1.37.2.2 rmind buf.Pointer = NULL; 553 1.37.2.2 rmind buf.Length = ACPI_ALLOCATE_LOCAL_BUFFER; 554 1.37.2.2 rmind 555 1.37.2.2 rmind rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "_OSC", &arg, &buf); 556 1.37.2.2 rmind 557 1.37.2.2 rmind if (ACPI_FAILURE(rv)) 558 1.37.2.2 rmind goto out; 559 1.37.2.2 rmind 560 1.37.2.2 rmind osc = buf.Pointer; 561 1.37.2.2 rmind 562 1.37.2.2 rmind if (osc->Type != ACPI_TYPE_BUFFER) { 563 1.37.2.2 rmind rv = AE_TYPE; 564 1.37.2.2 rmind goto out; 565 1.37.2.2 rmind } 566 1.37.2.2 rmind 567 1.37.2.2 rmind if (osc->Buffer.Length != sizeof(cap)) { 568 1.37.2.2 rmind rv = AE_BUFFER_OVERFLOW; 569 1.37.2.2 rmind goto out; 570 1.37.2.2 rmind } 571 1.37.2.2 rmind 572 1.37.2.2 rmind ptr = (uint32_t *)osc->Buffer.Pointer; 573 1.37.2.2 rmind 574 1.37.2.2 rmind if ((ptr[0] & ACPI_OSC_ERROR) != 0) { 575 1.37.2.2 rmind rv = AE_ERROR; 576 1.37.2.2 rmind goto out; 577 1.37.2.2 rmind } 578 1.37.2.2 rmind 579 1.37.2.2 rmind if ((ptr[0] & (ACPI_OSC_ERROR_REV | ACPI_OSC_ERROR_UUID)) != 0) { 580 1.37.2.2 rmind rv = AE_BAD_PARAMETER; 581 1.37.2.2 rmind goto out; 582 1.37.2.2 rmind } 583 1.37.2.2 rmind 584 1.37.2.2 rmind /* 585 1.37.2.2 rmind * "It is strongly recommended that the OS evaluate 586 1.37.2.2 rmind * _OSC with the Query Support Flag set until _OSC 587 1.37.2.2 rmind * returns the Capabilities Masked bit clear, to 588 1.37.2.2 rmind * negotiate the set of features to be granted to 589 1.37.2.2 rmind * the OS for native support (ACPI 4.0, 6.2.10)." 590 1.37.2.2 rmind */ 591 1.37.2.2 rmind if ((ptr[0] & ACPI_OSC_ERROR_MASKED) != 0 && i >= 0) { 592 1.37.2.2 rmind 593 1.37.2.2 rmind ACPI_FREE(buf.Pointer); 594 1.37.2.2 rmind i--; 595 1.37.2.2 rmind 596 1.37.2.2 rmind goto again; 597 1.37.2.2 rmind } 598 1.37.2.2 rmind 599 1.37.2.2 rmind if ((cap[0] & ACPI_OSC_QUERY) != 0) { 600 1.37.2.2 rmind 601 1.37.2.2 rmind ACPI_FREE(buf.Pointer); 602 1.37.2.2 rmind cap[0] &= ~ACPI_OSC_QUERY; 603 1.37.2.2 rmind 604 1.37.2.2 rmind goto again; 605 1.37.2.2 rmind } 606 1.37.2.2 rmind 607 1.37.2.2 rmind /* 608 1.37.2.2 rmind * It is permitted for _OSC to return all 609 1.37.2.2 rmind * bits cleared, but this is specified to 610 1.37.2.2 rmind * vary on per-device basis. Assume that 611 1.37.2.2 rmind * everything rather than nothing will be 612 1.37.2.2 rmind * supported in this case; we do not need 613 1.37.2.2 rmind * the firmware to know the CPU features. 614 1.37.2.2 rmind */ 615 1.37.2.2 rmind *val = (ptr[1] != 0) ? ptr[1] : cap[1]; 616 1.37.2.2 rmind 617 1.37.2.2 rmind out: 618 1.37.2.2 rmind if (buf.Pointer != NULL) 619 1.37.2.2 rmind ACPI_FREE(buf.Pointer); 620 1.37.2.2 rmind 621 1.37.2.2 rmind return rv; 622 1.37.2.2 rmind } 623 1.37.2.2 rmind 624 1.37.2.2 rmind static void 625 1.37.2.2 rmind acpicpu_notify(ACPI_HANDLE hdl, uint32_t evt, void *aux) 626 1.37.2.2 rmind { 627 1.37.2.2 rmind ACPI_OSD_EXEC_CALLBACK func; 628 1.37.2.2 rmind struct acpicpu_softc *sc; 629 1.37.2.2 rmind device_t self = aux; 630 1.37.2.2 rmind 631 1.37.2.2 rmind sc = device_private(self); 632 1.37.2.2 rmind 633 1.37.2.2 rmind if (sc->sc_cold != false) 634 1.37.2.2 rmind return; 635 1.37.2.2 rmind 636 1.37.2.2 rmind if (acpicpu_dynamic != true) 637 1.37.2.2 rmind return; 638 1.37.2.2 rmind 639 1.37.2.2 rmind switch (evt) { 640 1.37.2.2 rmind 641 1.37.2.2 rmind case ACPICPU_C_NOTIFY: 642 1.37.2.2 rmind 643 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_C) == 0) 644 1.37.2.2 rmind return; 645 1.37.2.2 rmind 646 1.37.2.2 rmind func = acpicpu_cstate_callback; 647 1.37.2.2 rmind break; 648 1.37.2.2 rmind 649 1.37.2.2 rmind case ACPICPU_P_NOTIFY: 650 1.37.2.2 rmind 651 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_P) == 0) 652 1.37.2.2 rmind return; 653 1.37.2.2 rmind 654 1.37.2.2 rmind func = acpicpu_pstate_callback; 655 1.37.2.2 rmind break; 656 1.37.2.2 rmind 657 1.37.2.2 rmind case ACPICPU_T_NOTIFY: 658 1.37.2.2 rmind 659 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_T) == 0) 660 1.37.2.2 rmind return; 661 1.37.2.2 rmind 662 1.37.2.2 rmind func = acpicpu_tstate_callback; 663 1.37.2.2 rmind break; 664 1.37.2.2 rmind 665 1.37.2.2 rmind default: 666 1.37.2.2 rmind aprint_error_dev(sc->sc_dev, "unknown notify: 0x%02X\n", evt); 667 1.37.2.2 rmind return; 668 1.37.2.2 rmind } 669 1.37.2.2 rmind 670 1.37.2.2 rmind (void)AcpiOsExecute(OSL_NOTIFY_HANDLER, func, sc->sc_dev); 671 1.37.2.2 rmind } 672 1.37.2.2 rmind 673 1.37.2.2 rmind static bool 674 1.37.2.2 rmind acpicpu_suspend(device_t self, const pmf_qual_t *qual) 675 1.37.2.2 rmind { 676 1.37.2.2 rmind struct acpicpu_softc *sc = device_private(self); 677 1.37.2.2 rmind 678 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_C) != 0) 679 1.37.2.2 rmind (void)acpicpu_cstate_suspend(self); 680 1.37.2.2 rmind 681 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_P) != 0) 682 1.37.2.2 rmind (void)acpicpu_pstate_suspend(self); 683 1.37.2.2 rmind 684 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_T) != 0) 685 1.37.2.2 rmind (void)acpicpu_tstate_suspend(self); 686 1.37.2.2 rmind 687 1.37.2.2 rmind sc->sc_cold = true; 688 1.37.2.2 rmind 689 1.37.2.2 rmind return true; 690 1.37.2.2 rmind } 691 1.37.2.2 rmind 692 1.37.2.2 rmind static bool 693 1.37.2.2 rmind acpicpu_resume(device_t self, const pmf_qual_t *qual) 694 1.37.2.2 rmind { 695 1.37.2.2 rmind struct acpicpu_softc *sc = device_private(self); 696 1.37.2.2 rmind 697 1.37.2.2 rmind sc->sc_cold = false; 698 1.37.2.2 rmind 699 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_C) != 0) 700 1.37.2.2 rmind (void)acpicpu_cstate_resume(self); 701 1.37.2.2 rmind 702 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_P) != 0) 703 1.37.2.2 rmind (void)acpicpu_pstate_resume(self); 704 1.37.2.2 rmind 705 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_T) != 0) 706 1.37.2.2 rmind (void)acpicpu_tstate_resume(self); 707 1.37.2.2 rmind 708 1.37.2.2 rmind return true; 709 1.37.2.2 rmind } 710 1.37.2.2 rmind 711 1.37.2.2 rmind static void 712 1.37.2.2 rmind acpicpu_evcnt_attach(device_t self) 713 1.37.2.2 rmind { 714 1.37.2.2 rmind struct acpicpu_softc *sc = device_private(self); 715 1.37.2.2 rmind struct acpicpu_cstate *cs; 716 1.37.2.2 rmind struct acpicpu_pstate *ps; 717 1.37.2.2 rmind struct acpicpu_tstate *ts; 718 1.37.2.2 rmind const char *str; 719 1.37.2.2 rmind uint32_t i; 720 1.37.2.2 rmind 721 1.37.2.2 rmind for (i = 0; i < __arraycount(sc->sc_cstate); i++) { 722 1.37.2.2 rmind 723 1.37.2.2 rmind cs = &sc->sc_cstate[i]; 724 1.37.2.2 rmind 725 1.37.2.2 rmind if (cs->cs_method == 0) 726 1.37.2.2 rmind continue; 727 1.37.2.2 rmind 728 1.37.2.2 rmind str = "HALT"; 729 1.37.2.2 rmind 730 1.37.2.2 rmind if (cs->cs_method == ACPICPU_C_STATE_FFH) 731 1.37.2.2 rmind str = "MWAIT"; 732 1.37.2.2 rmind 733 1.37.2.2 rmind if (cs->cs_method == ACPICPU_C_STATE_SYSIO) 734 1.37.2.2 rmind str = "I/O"; 735 1.37.2.2 rmind 736 1.37.2.2 rmind (void)snprintf(cs->cs_name, sizeof(cs->cs_name), 737 1.37.2.2 rmind "C%d (%s)", i, str); 738 1.37.2.2 rmind 739 1.37.2.2 rmind evcnt_attach_dynamic(&cs->cs_evcnt, EVCNT_TYPE_MISC, 740 1.37.2.2 rmind NULL, device_xname(sc->sc_dev), cs->cs_name); 741 1.37.2.2 rmind } 742 1.37.2.2 rmind 743 1.37.2.2 rmind for (i = 0; i < sc->sc_pstate_count; i++) { 744 1.37.2.2 rmind 745 1.37.2.2 rmind ps = &sc->sc_pstate[i]; 746 1.37.2.2 rmind 747 1.37.2.2 rmind if (ps->ps_freq == 0) 748 1.37.2.2 rmind continue; 749 1.37.2.2 rmind 750 1.37.2.2 rmind (void)snprintf(ps->ps_name, sizeof(ps->ps_name), 751 1.37.2.2 rmind "P%u (%u MHz)", i, ps->ps_freq); 752 1.37.2.2 rmind 753 1.37.2.2 rmind evcnt_attach_dynamic(&ps->ps_evcnt, EVCNT_TYPE_MISC, 754 1.37.2.2 rmind NULL, device_xname(sc->sc_dev), ps->ps_name); 755 1.37.2.2 rmind } 756 1.37.2.2 rmind 757 1.37.2.2 rmind for (i = 0; i < sc->sc_tstate_count; i++) { 758 1.37.2.2 rmind 759 1.37.2.2 rmind ts = &sc->sc_tstate[i]; 760 1.37.2.2 rmind 761 1.37.2.2 rmind if (ts->ts_percent == 0) 762 1.37.2.2 rmind continue; 763 1.37.2.2 rmind 764 1.37.2.2 rmind (void)snprintf(ts->ts_name, sizeof(ts->ts_name), 765 1.37.2.2 rmind "T%u (%u %%)", i, ts->ts_percent); 766 1.37.2.2 rmind 767 1.37.2.2 rmind evcnt_attach_dynamic(&ts->ts_evcnt, EVCNT_TYPE_MISC, 768 1.37.2.2 rmind NULL, device_xname(sc->sc_dev), ts->ts_name); 769 1.37.2.2 rmind } 770 1.37.2.2 rmind } 771 1.37.2.2 rmind 772 1.37.2.2 rmind static void 773 1.37.2.2 rmind acpicpu_evcnt_detach(device_t self) 774 1.37.2.2 rmind { 775 1.37.2.2 rmind struct acpicpu_softc *sc = device_private(self); 776 1.37.2.2 rmind struct acpicpu_cstate *cs; 777 1.37.2.2 rmind struct acpicpu_pstate *ps; 778 1.37.2.2 rmind struct acpicpu_tstate *ts; 779 1.37.2.2 rmind uint32_t i; 780 1.37.2.2 rmind 781 1.37.2.2 rmind for (i = 0; i < __arraycount(sc->sc_cstate); i++) { 782 1.37.2.2 rmind 783 1.37.2.2 rmind cs = &sc->sc_cstate[i]; 784 1.37.2.2 rmind 785 1.37.2.2 rmind if (cs->cs_method != 0) 786 1.37.2.2 rmind evcnt_detach(&cs->cs_evcnt); 787 1.37.2.2 rmind } 788 1.37.2.2 rmind 789 1.37.2.2 rmind for (i = 0; i < sc->sc_pstate_count; i++) { 790 1.37.2.2 rmind 791 1.37.2.2 rmind ps = &sc->sc_pstate[i]; 792 1.37.2.2 rmind 793 1.37.2.2 rmind if (ps->ps_freq != 0) 794 1.37.2.2 rmind evcnt_detach(&ps->ps_evcnt); 795 1.37.2.2 rmind } 796 1.37.2.2 rmind 797 1.37.2.2 rmind for (i = 0; i < sc->sc_tstate_count; i++) { 798 1.37.2.2 rmind 799 1.37.2.2 rmind ts = &sc->sc_tstate[i]; 800 1.37.2.2 rmind 801 1.37.2.2 rmind if (ts->ts_percent != 0) 802 1.37.2.2 rmind evcnt_detach(&ts->ts_evcnt); 803 1.37.2.2 rmind } 804 1.37.2.2 rmind } 805 1.37.2.2 rmind 806 1.37.2.2 rmind static void 807 1.37.2.2 rmind acpicpu_debug_print(device_t self) 808 1.37.2.2 rmind { 809 1.37.2.2 rmind struct acpicpu_softc *sc = device_private(self); 810 1.37.2.2 rmind struct cpu_info *ci = sc->sc_ci; 811 1.37.2.2 rmind struct acpicpu_cstate *cs; 812 1.37.2.2 rmind struct acpicpu_pstate *ps; 813 1.37.2.2 rmind struct acpicpu_tstate *ts; 814 1.37.2.2 rmind static bool once = false; 815 1.37.2.2 rmind struct acpicpu_dep *dep; 816 1.37.2.2 rmind uint32_t i, method; 817 1.37.2.2 rmind 818 1.37.2.2 rmind if (once != true) { 819 1.37.2.2 rmind 820 1.37.2.2 rmind for (i = 0; i < __arraycount(sc->sc_cstate); i++) { 821 1.37.2.2 rmind 822 1.37.2.2 rmind cs = &sc->sc_cstate[i]; 823 1.37.2.2 rmind 824 1.37.2.2 rmind if (cs->cs_method == 0) 825 1.37.2.2 rmind continue; 826 1.37.2.2 rmind 827 1.37.2.2 rmind aprint_verbose_dev(sc->sc_dev, "C%d: %3s, " 828 1.37.2.2 rmind "lat %3u us, pow %5u mW%s\n", i, 829 1.37.2.2 rmind acpicpu_debug_print_method(cs->cs_method), 830 1.37.2.2 rmind cs->cs_latency, cs->cs_power, 831 1.37.2.2 rmind (cs->cs_flags != 0) ? ", bus master check" : ""); 832 1.37.2.2 rmind } 833 1.37.2.2 rmind 834 1.37.2.2 rmind method = sc->sc_pstate_control.reg_spaceid; 835 1.37.2.2 rmind 836 1.37.2.2 rmind for (i = 0; i < sc->sc_pstate_count; i++) { 837 1.37.2.2 rmind 838 1.37.2.2 rmind ps = &sc->sc_pstate[i]; 839 1.37.2.2 rmind 840 1.37.2.2 rmind if (ps->ps_freq == 0) 841 1.37.2.2 rmind continue; 842 1.37.2.2 rmind 843 1.37.2.2 rmind aprint_verbose_dev(sc->sc_dev, "P%d: %3s, " 844 1.37.2.2 rmind "lat %3u us, pow %5u mW, %4u MHz%s\n", i, 845 1.37.2.2 rmind acpicpu_debug_print_method(method), 846 1.37.2.2 rmind ps->ps_latency, ps->ps_power, ps->ps_freq, 847 1.37.2.2 rmind (ps->ps_flags & ACPICPU_FLAG_P_TURBO) != 0 ? 848 1.37.2.2 rmind ", turbo boost" : ""); 849 1.37.2.2 rmind } 850 1.37.2.2 rmind 851 1.37.2.2 rmind method = sc->sc_tstate_control.reg_spaceid; 852 1.37.2.2 rmind 853 1.37.2.2 rmind for (i = 0; i < sc->sc_tstate_count; i++) { 854 1.37.2.2 rmind 855 1.37.2.2 rmind ts = &sc->sc_tstate[i]; 856 1.37.2.2 rmind 857 1.37.2.2 rmind if (ts->ts_percent == 0) 858 1.37.2.2 rmind continue; 859 1.37.2.2 rmind 860 1.37.2.2 rmind aprint_verbose_dev(sc->sc_dev, "T%u: %3s, " 861 1.37.2.2 rmind "lat %3u us, pow %5u mW, %3u %%\n", i, 862 1.37.2.2 rmind acpicpu_debug_print_method(method), 863 1.37.2.2 rmind ts->ts_latency, ts->ts_power, ts->ts_percent); 864 1.37.2.2 rmind } 865 1.37.2.2 rmind 866 1.37.2.2 rmind once = true; 867 1.37.2.2 rmind } 868 1.37.2.2 rmind 869 1.37.2.2 rmind aprint_debug_dev(sc->sc_dev, "id %u, lapic id %u, " 870 1.37.2.2 rmind "cap 0x%04x, flags 0x%08x\n", ci->ci_acpiid, 871 1.37.2.2 rmind (uint32_t)ci->ci_cpuid, sc->sc_cap, sc->sc_flags); 872 1.37.2.2 rmind 873 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_C_DEP) != 0) { 874 1.37.2.2 rmind 875 1.37.2.2 rmind dep = &sc->sc_cstate_dep; 876 1.37.2.2 rmind 877 1.37.2.2 rmind aprint_debug_dev(sc->sc_dev, "C-state coordination: " 878 1.37.2.2 rmind "%u CPUs, domain %u, type %s\n", dep->dep_ncpus, 879 1.37.2.2 rmind dep->dep_domain, acpicpu_debug_print_dep(dep->dep_type)); 880 1.37.2.2 rmind } 881 1.37.2.2 rmind 882 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_P_DEP) != 0) { 883 1.37.2.2 rmind 884 1.37.2.2 rmind dep = &sc->sc_pstate_dep; 885 1.37.2.2 rmind 886 1.37.2.2 rmind aprint_debug_dev(sc->sc_dev, "P-state coordination: " 887 1.37.2.2 rmind "%u CPUs, domain %u, type %s\n", dep->dep_ncpus, 888 1.37.2.2 rmind dep->dep_domain, acpicpu_debug_print_dep(dep->dep_type)); 889 1.37.2.2 rmind } 890 1.37.2.2 rmind 891 1.37.2.2 rmind if ((sc->sc_flags & ACPICPU_FLAG_T_DEP) != 0) { 892 1.37.2.2 rmind 893 1.37.2.2 rmind dep = &sc->sc_tstate_dep; 894 1.37.2.2 rmind 895 1.37.2.2 rmind aprint_debug_dev(sc->sc_dev, "T-state coordination: " 896 1.37.2.2 rmind "%u CPUs, domain %u, type %s\n", dep->dep_ncpus, 897 1.37.2.2 rmind dep->dep_domain, acpicpu_debug_print_dep(dep->dep_type)); 898 1.37.2.2 rmind } 899 1.37.2.2 rmind } 900 1.37.2.2 rmind 901 1.37.2.2 rmind static const char * 902 1.37.2.2 rmind acpicpu_debug_print_method(uint8_t val) 903 1.37.2.2 rmind { 904 1.37.2.2 rmind 905 1.37.2.2 rmind switch (val) { 906 1.37.2.2 rmind 907 1.37.2.2 rmind case ACPICPU_C_STATE_HALT: 908 1.37.2.2 rmind return "HLT"; 909 1.37.2.2 rmind 910 1.37.2.2 rmind case ACPICPU_C_STATE_FFH: 911 1.37.2.2 rmind case ACPI_ADR_SPACE_FIXED_HARDWARE: 912 1.37.2.2 rmind return "FFH"; 913 1.37.2.2 rmind 914 1.37.2.2 rmind case ACPICPU_C_STATE_SYSIO: /* ACPI_ADR_SPACE_SYSTEM_IO */ 915 1.37.2.2 rmind return "I/O"; 916 1.37.2.2 rmind 917 1.37.2.2 rmind default: 918 1.37.2.2 rmind return "???"; 919 1.37.2.2 rmind } 920 1.37.2.2 rmind } 921 1.37.2.2 rmind 922 1.37.2.2 rmind static const char * 923 1.37.2.2 rmind acpicpu_debug_print_dep(uint32_t val) 924 1.37.2.2 rmind { 925 1.37.2.2 rmind 926 1.37.2.2 rmind switch (val) { 927 1.37.2.2 rmind 928 1.37.2.2 rmind case ACPICPU_DEP_SW_ALL: 929 1.37.2.2 rmind return "SW_ALL"; 930 1.37.2.2 rmind 931 1.37.2.2 rmind case ACPICPU_DEP_SW_ANY: 932 1.37.2.2 rmind return "SW_ANY"; 933 1.37.2.2 rmind 934 1.37.2.2 rmind case ACPICPU_DEP_HW_ALL: 935 1.37.2.2 rmind return "HW_ALL"; 936 1.37.2.2 rmind 937 1.37.2.2 rmind default: 938 1.37.2.2 rmind return "unknown"; 939 1.37.2.2 rmind } 940 1.37.2.2 rmind } 941 1.37.2.2 rmind 942 1.37.2.2 rmind MODULE(MODULE_CLASS_DRIVER, acpicpu, NULL); 943 1.37.2.2 rmind 944 1.37.2.2 rmind #ifdef _MODULE 945 1.37.2.2 rmind #include "ioconf.c" 946 1.37.2.2 rmind #endif 947 1.37.2.2 rmind 948 1.37.2.2 rmind static int 949 1.37.2.2 rmind acpicpu_modcmd(modcmd_t cmd, void *aux) 950 1.37.2.2 rmind { 951 1.37.2.2 rmind int rv = 0; 952 1.37.2.2 rmind 953 1.37.2.2 rmind switch (cmd) { 954 1.37.2.2 rmind 955 1.37.2.2 rmind case MODULE_CMD_INIT: 956 1.37.2.2 rmind 957 1.37.2.2 rmind #ifdef _MODULE 958 1.37.2.2 rmind rv = config_init_component(cfdriver_ioconf_acpicpu, 959 1.37.2.2 rmind cfattach_ioconf_acpicpu, cfdata_ioconf_acpicpu); 960 1.37.2.2 rmind #endif 961 1.37.2.2 rmind break; 962 1.37.2.2 rmind 963 1.37.2.2 rmind case MODULE_CMD_FINI: 964 1.37.2.2 rmind 965 1.37.2.2 rmind #ifdef _MODULE 966 1.37.2.2 rmind rv = config_fini_component(cfdriver_ioconf_acpicpu, 967 1.37.2.2 rmind cfattach_ioconf_acpicpu, cfdata_ioconf_acpicpu); 968 1.37.2.2 rmind #endif 969 1.37.2.2 rmind break; 970 1.37.2.2 rmind 971 1.37.2.2 rmind default: 972 1.37.2.2 rmind rv = ENOTTY; 973 1.37.2.2 rmind } 974 1.37.2.2 rmind 975 1.37.2.2 rmind return rv; 976 1.37.2.2 rmind } 977
Indexes created Wed Oct 01 19:09:53 GMT 2025